dihydroorotate dehydrogenase (fumarate)
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umarate reductase (CoM/CoB)
coproporphyrinogen dehydrogenase
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5a,11a-dehydrotetracycline reductase
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hydrogen peroxide-dependent heme synthase
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AdoMet-dependent heme synthase
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[mycofactocin precursor peptide]-tyrosine decarboxylase
-